Name: SF Sonic PROTUBULAR ST42S1350 120 Ah Inverter Battery
Brand: SF Sonic
SKU: BATT-381
Price: 8720 INR
Availability: InStock

Question 1

What is the SF Sonic PROTUBULAR ST42S1350 price with old battery exchange?

Accepted Answer

You pay Rs. 5,540 when you hand over your old battery, instead of Rs. 8,720 without it — a saving of Rs. 3,180. We collect the old battery at the time of installation, so there is nothing extra for you to arrange.

Question 2

How does the 42 Months (21M Free + 21M Pro Rata) warranty on the SF Sonic PROTUBULAR ST42S1350 work?

Accepted Answer

The 42 months (3 years 6 months) warranty is split evenly, 21 months free and then 21 months pro-rata. That is 1 year 9 months free, then 1 year 9 months pro-rata. This SF Sonic inverter battery carries that warranty from the manufacturer. Keep your invoice — we register the purchase for you and handle warranty claims on your behalf.

Question 3

Is installation included with the PROTUBULAR ST42S1350?

Accepted Answer

Free Doorstep Installation

Question 4

How quickly can I get the PROTUBULAR ST42S1350?

Accepted Answer

This model is in stock. Order on WhatsApp or call +91 92122 86835 and we will confirm a same-day or next-day slot depending on your area in Delhi NCR.

Question 5

Is the SF Sonic 120 Ah inverter battery the right size for me?

Accepted Answer

This is a 120 Ah inverter battery. It is listed for 1-2 BHK (Standard Backup). If you are replacing an existing battery, matching the capacity printed on it is usually the safest choice. Send us a photo of your old battery or your vehicle model on WhatsApp and we will confirm before you order.

Question 6

What is the SF Sonic PROTUBULAR ST42S1350 suited for?

Accepted Answer

The SF Sonic PROTUBULAR ST42S1350 is listed for Home Use: 1-2 BHK (Standard Backup). If your setup differs, send us the details on WhatsApp and we will check before you order.

Question 7

Is the SF Sonic PROTUBULAR ST42S1350 a genuine product?

Accepted Answer

Yes. We are an authorised dealer and every battery is sourced directly from the manufacturer, sealed, with a valid warranty card. We do not sell refurbished or reconditioned batteries.

Question 8

How do I pay for the PROTUBULAR ST42S1350?

Accepted Answer

You pay after installation, once you are satisfied with the fitment. We accept cash, UPI and card.

SF Sonic PROTUBULAR ST42S1350 120 Ah Inverter Battery

About this battery

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Home Use

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